The 5th Gambit Closed Tournament kicks off Round 4 in Prague today at 8:15 AM UTC. Top seeds like Jan Hendrik van den Berg and Elise van der Vegt face high-pressure Swiss-system clashes. Time control remains 90 minutes plus 30 seconds per move. Early deviations from mainlines could shape the standings. Expect bold sacrifices and tactical precision as the race for first place intensifies.